The Abundant Life Building, a curiously designed, windowless building adorned with gold-tinted diamond shapes, now stands derelict in Tulsa, Oklahoma. Experts investigate and uncover the controversial religious figure Oral Roberts and the headquarters behind his pioneering form of American TV evangelism.

A sprawling military facility dotted with bunkers for miles now stands abandoned in the American heartland of Edgemont, South Dakota. Experts investigate and uncover the Black Hills Ordinance Depot, a once highly-secure WWII ordnance site designed to store deadly munitions.